4.7 Article

Mathematical description of indentation creep and its application for the determination of strain rate sensitivity

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2014.06.011

Keywords

Nanoindentation; Creep behavior; Strain rate sensitivity; Power-law function

Funding

  1. Hungarian Scientific Research Fund (OTKA) [K109021, K109570]

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The creep process during the holding stage of nanoindentation test has been analyzed mathematically. It is shown analytically for the first time that the corresponding indentation depth-time relationship can be described by a power-law function, suggesting a direct application of nanoindentation for the determination of the strain rate sensitivity. (C) 2014 Elsevier B.V. All rights reserved.

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